<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="prototype.js"></script>
<script type="text/javascript" src="http://www.google.com/jsapi"></script>
<title>无标题文档</title>
</head>
<body>
<div id="myDiv"> select text for translate,翻译选中的文本 </div>
<div id="translation"> </div>
<script type="text/javascript">

google.load("language", "1");

function trans(text) {
	google.language.detect(text, function(result) {
		if (!result.error && result.language) {
			google.language.translate(text, result.language, "zh-CN",
				function(result) {
					var translated = document.getElementById("translation");
					if (result.translation) {
						translated.innerHTML = result.translation;
					}
				}
			);
		}
	});
} 
document.getElementById("myDiv").onmouseup = function(){     
	var selected = document.all ? this.ownerDocument.selection.createRange().text:this.ownerDocument.getSelection();  
	if(selected.length > 0){
		trans(selected);
	}   
}  
</script>
</body>
</html>
